KK2 /keɪ/1 (also k) informalMONEY an abbreviation of one thousanda salary of £30k a year2TDan abbreviation of kilobyte or kilobytes3 (also k) a written abbreviation of kilometre or kilometresa 20k international race walker4the abbreviation of Kelvin or KelvinsFrom Longman Business DictionaryKK1written abbreviation for ONE THOUSANDa salary of 59K a year2COMPUTING written abbreviation for KILOBYTE(S)